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Finding the Fourth Proportional to 439,427.70, 606,407.04 and 248,441.04

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Solution

The fourth proportional to 439,427.70, 606,407.04 and 248,441.04 is: 342,846.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,427.70 : 606,407.04 = 248,441.04 : x
  2. Step 2: Convert to fraction form
    439,427.70/606,407.04 = 248,441.04/x
  3. Step 3: Cross multiply
    439,427.70x = 606,407.04 × 248,441.04
  4. Step 4: Simplify right side
    439,427.70x = 150,656,395,680.92
  5. Step 5: Solve for x
    x = 150,656,395,680.92/439,427.70
  6. Step 6: Final answer
    x = 342,846.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.